91696671 has 32 divisors (see below), whose sum is σ = 151372800. Its totient is φ = 54383040.

The previous prime is 91696651. The next prime is 91696673. The reversal of 91696671 is 17669619.

It is not a de Polignac number, because 91696671 - 2⁵ = 91696639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91696673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10675 + ... + 17243.

It is an arithmetic number, because the mean of its divisors is an integer number (4730400).

Almost surely, 2^91696671 is an apocalyptic number.

91696671 is a deficient number, since it is larger than the sum of its proper divisors (59676129).

91696671 is a wasteful number, since it uses less digits than its factorization.

91696671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6636 (or 6630 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 91696671 is about 9575.8378745674. The cubic root of 91696671 is about 450.9390612236.

The spelling of 91696671 in words is "ninety-one million, six hundred ninety-six thousand, six hundred seventy-one".